Cannot be Special Summoned except by Xyz Summon (from the Extra Deck). While this card has Xyz Materials; it cannot be destroyed by battle. (damage calculation is applied normally.) This card loses 400 ATK for every Xyz Material attached to it. Each time you take Battle Damage from a battle involving this card and an opponent's attacking monster; detach 1 Xyz Material from this card. If this card has no Xyz Materials: If it destroys an opponent's monster by battle; you can inflict damage to your opponent equal to half the destroyed monster's ATK/DEF, whichever is lower. If this card has no Xyz Materials; it cannot attack a player directly.

Once per turn: You can detach any number Xyz Materials from this card; activate the appropriate effect depending on the number of detached Xyz Materials: * 1: Target 1 Spell/Trap Card on the field; destroy it. * 2: This card gains 600 ATK. * 3: If this card attacks a Defense Position monster; inflict piercing Battle Damage to your opponent.

Originally meant to be Cerberus Viper, but couldn't find any decent pics.

Born from threshold of the dimension of Darkness, time to lower the curtain of destruction on the stage that surpasses time and space! Synchro Summon!